/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package studio.raptor.ddal.config.event;

import com.google.common.eventbus.Subscribe;
import java.util.Date;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import studio.raptor.ddal.common.event.NativeEventBus;
import studio.raptor.ddal.config.config.ShardConfig;

/**
 * Configuration reload event listener
 *
 * @author Sam
 * @since 3.0.0
 */
public class ReloadingEventListener {

  private static Logger logger = LoggerFactory.getLogger(ReloadingEventListener.class);

  @SuppressWarnings("unused")
  @Subscribe
  public void reloadLocalShardConfig(LocalShardConfigChangeEvent event) {
    logger.info("Local shard configuration changed @ " + new Date(System.currentTimeMillis()));
    ShardConfig.getInstance().reload();
    event.getController().resetReloadingState();
    NativeEventBus.get().post(new DataSourceChangeEvent());
  }
}
